html,.tcg-body{
    position: relative;
    width:100%;
    height:100%;
    margin:0px;
    padding:0px;
    background: linear-gradient(to left top,#d5d8de,#fff);
}
.tcg-container{
    position: absolute;
    top:0px;
    left:0px;
    right:0px;
    bottom:0px;
    height: 100%;
    width: 100%;
    overflow: auto;
}
.tcg-container iframe{width:100%;height:100%;}